The emergence of two-dimensional Dirac materials, particularly transition metal
dichalcogenides (TMDs), has reinvigorated interest in valleytronics, which utilizes the …

The recent emergence of two-dimensional layered materials—in particular the transition
metal dichalcogenides—provides a new laboratory for exploring the internal quantum …

We presentk p· Hamiltonians parametrized byab initiodensity functional theory calculations
to describe the dispersion of the valence and conduction bands at their extrema (theK, Q, Γ …

Local energy extrema of the bands in momentum space, or valleys, can endow electrons in
solids with pseudospin in addition to real spin,,,,. In transition metal dichalcogenides this …

The p–n junction is the functional element of many electronic and optoelectronic devices,
including diodes, bipolar transistors, photodetectors, light-emitting diodes and solar cells. In …

Using polarization-resolved photoluminescence spectroscopy, we investigate the breaking
of valley degeneracy by an out-of-plane magnetic field in back-gated monolayer MoSe 2 …

Electrons in two-dimensional crystals with a honeycomb lattice structure possess a valley
degree of freedom (DOF) in addition to charge and spin. These systems are predicted to …

We present a three-band tight-binding (TB) model for describing the low-energy physics in
monolayers of group-VIB transition metal dichalcogenides MX 2 (M= Mo, W; X= S, Se, Te) …

Atomically thin group-VIB transition metal dichalcogenides (TMDs) have recently emerged
as a new class of two-dimensional (2D) semiconductors with extraordinary properties …

We study the conduction band spin splitting that arises in transition metal dichalcogenide
(TMD) semiconductor monolayers such as MoS 2, MoSe 2, WS 2, and WSe 2 due to the …